Facile synthesis of starch-based nanoparticle stabilized Pickering emulsion: its pH-responsive behavior and application for recyclable catalysis

Abstract

Starch-based nanoparticles participate in the stimulus-responsive Pickering emulsion for recyclable catalysis.

Starch‐based nanoparticles: Stimuli responsiveness, toxicity, and interactions with food components

“…Qi, Luo, and Lu (2018) synthesized pH‐sensitive grafted starch‐based nanoparticles through free radical polymerization. Pickering emulsions stabilized by the nanoparticles could maintain long‐term stability under basic conditions.…”

“…The emulsions emulsified under alkaline conditions and demulsified under acidic conditions. After eight cycles of emulsification/demulsification, the type and layer thickness of the Pickering emulsion and the droplet size remained almost unchanged (Qi et al., 2018). Moreover, CHC‐CMS nanogel was homogenized at high speed to prepare Pickering emulsion.…”

Tuning particle–particle interactions to control Pickering emulsions constituents separation

“…10,11 In pharmaceutical and food applications, 4,12 the possibility of triggering the release of encapsulated compounds is likewise of significant interest. As a result, emulsions that can be destabilized on demand by modifying the surface activity of the particles in response to an external trigger such as changes in pH, [13][14][15][16][17] CO2 concentration, 18 light sensitivity, 19 temperature, 20 magnetic field, 21,22 or combinations thereof, have recently been developed.…”

Sodium caseinate as a particulate emulsifier for making indefinitely recycled pH-responsive emulsions

“…Moreover, the increased addition of free ions screens the charge of the emulsiers, causing them to aggregate and eventually lose their function as the emulsier. [18][19][20][21] Replacing the water phase repeatedly is oen applied to decrease the ionic strength in cyclic systems, but it only partially addresses the issue. In addition, the used emulsiers, such as silica, starch and ZnO nanoparticles (NPs), need surface functionalization, which involves more intensive procedures and the cyclability is oen limited to less than 10 cycles.…”

“…In addition, the used emulsiers, such as silica, starch and ZnO nanoparticles (NPs), need surface functionalization, which involves more intensive procedures and the cyclability is oen limited to less than 10 cycles. [20][21][22] Therefore, the development of efficient strategies for constructing green and sustainable pHresponsive emulsion catalytic systems is of ever increasing importance.…”